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Home/DTC Codes/Pontiac/Sunfire/1995-2005 2.2L I4/P0230
P0230

Fuel Pump Primary Circuit Malfunction

1995-2005 Pontiac Sunfire 2.2L I4

High SeverityPowertrainGeneric (SAE)

Description

Malfunction in the fuel pump primary (relay/power supply) circuit.

Symptoms

  • Check Engine Light
  • No start condition
  • Engine stalling
  • Intermittent power loss

Common Causes

  • Faulty fuel pump relay
  • Wiring damage
  • Fuel pump failure
  • Blown fuse
  • Inertia switch tripped

Diagnostic Steps

  1. Check fuel pump fuse
  2. Test fuel pump relay
  3. Listen for fuel pump prime
  4. Test voltage at fuel pump connector
  5. Check inertia switch (Ford)

Repair Notes

Check fuse and relay first. Replace fuel pump if no voltage issue found.

Related Codes

P0087Fuel Rail/System Pressure - Too LowP0231Fuel Pump Secondary Circuit LowP0232Fuel Pump Secondary Circuit High

Other Powertrain Codes

P0230 on Other Vehicles

Pontiac Aztek

2001-2005 3.4L V6

Pontiac Bonneville

1990-1999 3.8L V6

Pontiac Bonneville

2000-2005 3.8L V6

Pontiac Bonneville GXP

2000-2005 4.6L V8

Pontiac Bonneville GXP

2000-2005 4.6L V8 Northstar

Pontiac Bonneville SSEi

1992-1999 3.8L Supercharged V6

Pontiac Bonneville SSEi

1992-1999 3.8L V6 Supercharged

Pontiac Firebird

1993-1997 3.4L V6

Common Questions

What does code P0230 mean on a 1995-2005 Pontiac Sunfire?

P0230 stands for "Fuel Pump Primary Circuit Malfunction". Malfunction in the fuel pump primary (relay/power supply) circuit.

What are the symptoms of P0230 on a Pontiac Sunfire?

Common symptoms of P0230 include: Check Engine Light, No start condition, Engine stalling, Intermittent power loss.

What causes P0230 on a 1995-2005 Pontiac Sunfire?

Common causes of P0230 include: Faulty fuel pump relay, Wiring damage, Fuel pump failure, Blown fuse, Inertia switch tripped.

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